A enigmatic scale
The A enigmatic scale consists of the A (Perfect unison), Bb (Minor second), C# (Major third), D# (Diminished fifth), E# (Minor sixth), F## (Minor seventh) and G# (Major seventh) notes.

How to play the A enigmatic scale
- Find A (Root) on the piano keyboard
- Play Bb (Minor second) — 1 semitone above A
- Play C# (Major third) — 4 semitones above A
- Play D# (Diminished fifth) — 6 semitones above A
- Play E# (Minor sixth) — 8 semitones above A
- Play F## (Minor seventh) — 10 semitones above A
- Play G# (Major seventh) — 11 semitones above A
- Play all 7 notes in ascending order to perform the A enigmatic scale